First-Did you really need 9000 spaces between each line?
Second-
Quotejava.lang.IllegalArgumentException: Slot
4074 is already occupied by ic2.common.BlockTex@102a953 when adding
forestry.core.gadgets.BlockSoil@129ca4e
Problem solved. You have an ID conflict with Forestry and IC2. Go the .configs/.confs of them and solve it. Next time, please attempt to diagnose your crash-report/read some of the other crash reports